# Gurinder Singh (guriboycodes)

> A decade turning prototypes into products used by 90M+ — now building the agentic engine behind observability, self-evolution, merchant automation, and internal Venmo agents. USPTO patent holder, Official Bar Raiser, two-time hackathon winner.

Portfolio of Gurinder Singh, Staff Software Engineer · Agentic Engineering, New York, NY. Building the nervous system for agentic engineering. Flagship systems: Vireo, Darwin, MAIA × Venmo, Devmo.

## About
- Name: Gurinder Singh
- Role: Staff Software Engineer · Agentic Engineering
- Location: New York, NY
- Email: gurinder@binary-bros.com
- GitHub: https://github.com/Ripnrip
- LinkedIn: https://www.linkedin.com/in/gurinder-singh-a30a1a48
- Résumé (PDF): https://guriboycodes.com/assets/resume-pdf/Gurinder-Singh-Resume.pdf

## Flagship projects
- **Vireo** — The flight recorder for AI agents: You can't trust an agent you can't see. Vireo captures everything one does — then turns it into memory the next run can use. [Status: Production · v3; 2026 · ongoing] Stack: MCP, n8n, OpenTelemetry, OpenInference, Python, Swift.
- **Darwin** — Skills that improve themselves: If a task has a prompt in, an answer out, and a way to score it, Darwin evolves it — automatically, and opens the PR. [Status: Production + Council pilot; 2026 · productionized Jun 30] Stack: GEPA, DSPy, Cosmos, Graph DB, GitHub Actions.
- **MAIA × Venmo** — Cold-start to live in 20 minutes: An ephemeral Claude-CLI agent — built entirely from skills and subagents — that onboards a new merchant end to end. [Status: Live cohort pilots; 2026 · ongoing] Stack: Claude CLI, Skills + Subagents, RAG, CommonCrawl, AWS Athena, D3.js.
- **Devmo** — Venmo's agent — and its hive mind: MAIA faces merchants; Devmo faces the org. It turns the signals Vireo captures into organizational memory Venmo can act on. [Status: Production · in flight; 2026 · ongoing] Stack: Vireo, Darwin, n8n, MCP, k8s, Qdrant.

## Selected work & demos
- **Centuries-old texts, answering with citations** (AI/ML) — RAG search over 73K+ vectors — with a four-layer safety stack and citation UX that jumps to the exact page or timestamp.
- **Computer vision on Austin streets** (AI/ML) — Computer vision for city infrastructure.
- **Hylios: Magical Space Intelligence** (Mobile) — AR + ML room scanning with precise 3D models.
- **AI-powered content workflow engine** (Tools) — 18 n8n workflows from intelligence to publish — with a human approval gate.
- **Emotional skills, taught in blocks** (AI/ML) — Emotional skills, taught in blocks — with PageIndex-style retrieval from the actual curriculum.
- **Study game for pediatric neurology** (Creative) — A study game for Pediatric Epilepsy & Neurology Specialists — built as a creative outlet and kept improving.

## Experience
- **Staff Software Engineer · Agentic Engineering, PayPal / Venmo** (2019 — Present) — Architected production agentic platforms — Vireo observability, Darwin self-evolution, MAIA merchant automation, Devmo internal agents, claude-cosmos, and Nested macOS Runtime — turning prototypes into org-wide programs.
- **iOS Developer / Consultant, Google Stadia** (2018 — 2019) — Supported launch readiness for Stadia cloud gaming on mobile — Flutter/Dart with native iOS plugins.
- **iOS Engineer, Morgan Stanley** (2016 — 2018) — Modernized Wealth Management mobile experiences for ultra-high-net-worth clients.

## Hackathons
- 2017 MLH Prime — Bloomberg London: 1st — Automated Search & Rescue — DJI drones + IBM Watson facial recognition. Featured in a BBC documentary.
- 2022 HackZurich — Schindler Group: 1st — "Elate" — winning hack built with a 5-person team at HackZurich.
- 2016 Devcamp NYC — Google NYC: 1st — Talent Management App — first place among 300+ participants at Google NYC.
- 2023 HackZurich — Legal Lunatics: Team — Implenia-sponsored build with a returning 5-person crew.
- 2022 Hack Yale (2×): Judge — Evaluated technical feasibility & innovation for 500+ participants.
- — PennApps — UPenn: Mentor — Mentored students through complex mobile & AI implementations.
- 2018 try! Swift Tokyo: Conf — iOS community conference in Tokyo — plugged into the global Swift network.

## Skills
- **AI / ML & Agents**: Python, Claude, OpenAI, Gemini, Ollama, LangChain, LangGraph, LlamaIndex, CrewAI, MCP, DSPy / GEPA, RAG Pipelines, PyTorch, MLX, Stable Diffusion, OpenCV, Hugging Face, Replicate, TensorFlow, OpenRouter, ElevenLabs
- **Mobile / iOS**: Swift, SwiftUI, Objective-C, ARKit, RoomPlan, CoreML, ActivityKit, WidgetKit, MapKit, BLE / NFC, Xcode, Flutter, Dart, React Native
- **Cloud & DevOps**: AWS, GCP, Azure, Docker, GitHub Actions, Jenkins, Fastlane, Vercel, Datadog, Firebase, RunPod, n8n, Remotion
- **Data & Tools**: PostgreSQL, Supabase, Cloudflare, MongoDB, Redis, Qdrant, ChromaDB, Neo4j, GraphQL, Next.js, React, TypeScript, NumPy, Pandas, Figma, GitHub, Cursor

## Links
- https://apps.apple.com/us/app/hylios/id6474466548
- https://apps.apple.com/us/app/rosicrucian-vowel-sounds/id6529521816
- https://artful-archives-website.vercel.app
- https://audio-dialogues.vercel.app
- https://etherealdimension.io
- https://etherealdimension.io/#austin
- https://etherealdimension.io/ethereal-search/explorer
- https://github.com/Ripnrip
- https://github.com/Ripnrip/ARon
- https://github.com/Ripnrip/Agentic-News-Transformer
- https://github.com/Ripnrip/Flow
- https://github.com/Ripnrip/GurduwaraLangarGame
- https://github.com/Ripnrip/agent-zero-macOS
- https://github.com/artfularchivesstudio-spec/observability-swift-client
- https://my4blocks.vercel.app
- https://pens-eeg-game-cursor.vercel.app
- https://pens-eeg-game.com
- https://rosicrucian-knowledge-explorer.vercel.app
- https://v0-geometric-graph-design.vercel.app/
- https://vve-strapi.eastus2.cloudapp.azure.com/launcher.html
- https://vve-strapi.eastus2.cloudapp.azure.com/preview.html
- https://www.linkedin.com/in/gurinder-singh-a30a1a48
- https://www.vectorverseevolve.ai/
- https://guriboycodes.com/llms-full.txt — comprehensive machine-readable profile
- https://guriboycodes.com/guriboycodes.json — schema.org Person (JSON-LD)